public void testMoveMarkBack() throws Exception {
timer.markTime();
long mark = timer.getTimeOfLastActivity();
timer.moveMarkBackInTime(12345);
assertEquals(12345, (mark - timer.getTimeOfLastActivity()));
}
public void testStartTime() throws Exception {
long now = System.nanoTime();
long then = timer.getTimeOfLastActivity();
assertEquals("" + (now - then), true, now - then < ONE_MILLION); // less than 1 milisecond
}